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Table of Mainboard Components
Label Component
AGP1 Accelerated
Graphics
Port
ATX1 Power
connector
AUDIO Mic/speaker-out
connector
BT1
Three volt realtime clock battery
CASFAN
Auxiliary case cooling fan
CD1
Primary CD-in connector (Sony)
CD2
Secondary CD-in connector (Panasonic)
CNR1
Communications Networking Riser slot
CPU SOCKET
CPU Socket (mPGA478)
CPUFAN
Cooling fan for CPU
DDRDIMM1 ~ DDRDIMM3
Three 184-pin DDR DIMM sockets
FDD1
Floppy disk drive connector
IDE 1
Primary IDE channel
IDE 2
Secondary IDE channel
IDE 3
Third IDE channel for ATA 66/100
IDE 4
Fourth IDE channel for ATA 66/100
J3
Single-color LED header
JP1
Clear CMOS jumper
JP2
BIOS protect jumper
JP3
CPU frequency select jumper
JP4
CPU voltage adjustment jumper
LED1
LED 2.5 VSB for DDR SDRAM (red)
PANEL
Panel connector for case switches and LEDs
PCI1 ~ PCI5
Five 32-bit add-on card slots
RAIDLED
IDE3/IDE4 array controller active LED
SIR
Serial infrared cable header
SJ1
Single-color LED header
SMI
External System Management Interrupt header
USB2 ~ USB3
Connector for front panel USB ports
Note:
LED1 is usually connected to a light that indicates that the computer is
powered on. Do not install hardware or disconnect power cables while the
LED is on.
This concludes Chapter 1. The next chapter explains how to install the main-
board.
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